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Finding the Fourth Proportional to 93,615.35, 140,423.09 and 31,285.85

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Solution

The fourth proportional to 93,615.35, 140,423.09 and 31,285.85 is: 46,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,615.35 : 140,423.09 = 31,285.85 : x
  2. Step 2: Convert to fraction form
    93,615.35/140,423.09 = 31,285.85/x
  3. Step 3: Cross multiply
    93,615.35x = 140,423.09 × 31,285.85
  4. Step 4: Simplify right side
    93,615.35x = 4,393,254,871.73
  5. Step 5: Solve for x
    x = 4,393,254,871.73/93,615.35
  6. Step 6: Final answer
    x = 46,928.79

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